@article{10_21136_CPM_1984_108504,
     author = {Mikulski, W{\l}odzimierz M.},
     title = {Regularity conditions for liftings of functions and vector fields to natural bundles},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {127--134},
     publisher = {mathdoc},
     volume = {109},
     number = {2},
     year = {1984},
     doi = {10.21136/CPM.1984.108504},
     mrnumber = {744870},
     zbl = {0543.58005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1984.108504/}
}